Chilo, a curious and playful angel, often visits Earth with her friend Oosoam. After seeing in heaven’s matchmaking book that a couple isn’t destined to be together, they decide to ruin the wedding to save them from future grief. Successful but in trouble, they lose their heavenly powers and are sent to Earth as punishment. To return to heaven, they must reunite the couple, but the task is more difficult than they imagined.